Christie CP4220 Скачать руководство пользователя страница 6

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Convergence Instruction Sheet

020-100703-01 Rev. 1 (05-2011)

4. Look for “twist” using the center vertical and horizontal lines – scan from one side of the screen to

the other, observing any change in vertical position of the color in question relative to the point
where you started.

is an example of a projector with two problems; Red is twisted

counter-clockwise and Blue is high and to the left with no apparent twist.

Figure 6 Poor Convergence Example (pattern simplified)

Содержание CP4220

Страница 1: ...ructions drawing provided inside the top lid of the projector TOOLS REQUIRED 2 5 mm driver with heat shrink tubing 2 0 inch and 6 5 inch lengths included with projector One driver is located on the th...

Страница 2: ...ove Figure 1 Remove top Lid from Projector Remove the high security lid to access components in the light engine and cardcage compartments NOTE Only Christie authorized service technicians should open...

Страница 3: ...he fan packs can be removed for a short time to access the adjustment screws If this is necessary you can verify the temperature at the TPC status window The projector has three separate DMD panels to...

Страница 4: ...le shifts in convergence or DMD focus The prism temperature should be monitored during the adjustment and kept within a few degrees of the nominal temperature achieved above by lowering the lamp power...

Страница 5: ...or you are working on if it is not present 2 Zoom and focus the image so you can see the entire outer edge of the test pattern frame Figure 4 Alignment and Framing Pattern 3 You should be able to judg...

Страница 6: ...one side of the screen to the other observing any change in vertical position of the color in question relative to the point where you started Figure 6 is an example of a projector with two problems R...

Страница 7: ...physical layout and adjuster function The Blue formatter board is slightly different in physical layout but the adjustment functions are the same The vertical and twist adjustments Screws 1 and 2 inte...

Страница 8: ...ight Engine Fan Pack 4 fans on page 5 13 of the CP4220 and CP4230 Service manauls P N 020 100691 xx 020 100622 xx NOTE Cooling is greatly affected by removing the filter and fan pack assembly The FPGA...

Страница 9: ...ESSMENT When should you be satisfied with your adjustments Read the following section before coming to a conclusion Figure 10 1 The best possible convergence would be described as follows a The center...

Страница 10: ...become slightly non uniform a In practice this extra increase in size has generally appeared on the lower right of the image causing an apparent clockwise twist in the lower right corner only the upp...